Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 09:45 and arrives at Bangkok Suvarnabhumi Airport at 13:10.
The flighttime is about 3h 25m. The distance travelled ("as the bird flies"): 830 Km. So the average speed is roughly 243 Km.
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Monday, as prices are on average 360.23% higher than on Tuesday. (Average prices, based on 41076558 datapoints.)
We have a lot more statistics for flights WY 5701 and between Jakarta and Bangkok.